Home / 163,631.68-245,418.72-43,690.12

Finding the Fourth Proportional to 163,631.68, 245,418.72 and 43,690.12

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Solution

The fourth proportional to 163,631.68, 245,418.72 and 43,690.12 is: 65,527.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,631.68 : 245,418.72 = 43,690.12 : x
  2. Step 2: Convert to fraction form
    163,631.68/245,418.72 = 43,690.12/x
  3. Step 3: Cross multiply
    163,631.68x = 245,418.72 × 43,690.12
  4. Step 4: Simplify right side
    163,631.68x = 10,722,373,327.05
  5. Step 5: Solve for x
    x = 10,722,373,327.05/163,631.68
  6. Step 6: Final answer
    x = 65,527.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.